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Oil Pipe Flushing

Category: Pipe Flushing

Flushing must be performed after pipe installation, but prior to system operation. For an oil flush to be successful, efforts to keep contaminants out must succeed and the flush must be conducted properly. A successful flush ensures that system piping and components meet acceptance criteria for a minimum length of time with a minimum of effort.


Generally, most hydraulic and lubrication oil systems are designed for “laminar” flow. This calls for constant operation without cavitations or vibration. Efficient flushing, however, requires turbulent flow in order to dislodge impurities deposited on the inside of the pipe system.


The three most important parameters in flushing are:

- Flushing filters, the heart of any flush unit is the filter. If poor filters are used, flushing will be a long and costly affair. the filtration characteristics of the flushing filters are chosen base on the cleanliness level required by OEM.

- Flow velocity, flushing is most effective when flow velocity is relatively high. To create a turbulent flow in the pipe system during flushing. Turbulent flow is obtained if the Reynold number is above 4000.

- Viscosity/temperature



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